quality certification(The formal assertion in writing that a commodity, service or other product has attained a recognized and relatively high grade or level of excellence)
quality control(The inspection, analysis, and other relevant actions taken to provide control over what is being done, manufactured, or fabricated, so that a desirable level of quality is achieved and maintained)
quality objective(Any goal or target established for a product, service or endeavor that aspires to attain a relatively high grade or level of excellence)